Timeline for Zeros of polynomials as a finite union of manifolds

10 events

when toggle format	what		by	license	comment
Apr 28, 2017 at 10:03	history	edited	Qfwfq	CC BY-SA 3.0	added 2 characters in body
Apr 28, 2017 at 9:55	history	edited	Francesco Polizzi	CC BY-SA 3.0	added 461 characters in body
Apr 28, 2017 at 9:50	comment	added	Francesco Polizzi		Whitney stratification still exist in the complex setting. See my edit to the answer.
Apr 28, 2017 at 9:49	history	edited	Francesco Polizzi	CC BY-SA 3.0	added 461 characters in body
Apr 28, 2017 at 9:34	comment	added	user237522		Please, what happens if we replace $\mathbb{R}$ by $\mathbb{C}$?
Apr 27, 2017 at 18:32	comment	added	Francesco Polizzi		@Libli: you are right. This does not define in general a Whitney stratification, but some refinement will, see J. L. Verdier, Stratifications de Whitney et theoreme de Bertini-Sard, Invent. Math. 36 (1976), 295-312. Thank you for the remark.
Apr 27, 2017 at 18:16	comment	added	Libli		Note however that the wikipedia reference that you provide contains a big mistake. If $X$ is a singular variety, the collection $Sing(X), Sing(Sing(X)),...$ is not a Whitney stratification in general.
Apr 27, 2017 at 17:14	vote	accept	Arturo
Apr 27, 2017 at 15:14	history	edited	Francesco Polizzi	CC BY-SA 3.0	added 11 characters in body
Apr 27, 2017 at 14:26	history	answered	Francesco Polizzi	CC BY-SA 3.0